*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#111318;color:#D5D8DF;font-family:system-ui,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none;touch-action:manipulation}img{max-width:100%}button{font:inherit}.shell{width:min(1200px,calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:1000;background:#151820;border-bottom:1px solid rgba(255,255,255,.09)}.desktop-bar{height:70px;display:flex;align-items:center;gap:24px}.brand,.mobile-brand{display:flex;align-items:center;gap:10px;color:#F7F8FA;font-weight:800;white-space:nowrap}.brand img,.mobile-brand img,.logo-placeholder{width:38px;height:38px;border-radius:9px;object-fit:contain;background:#222733;display:inline-block}.main-nav{display:flex;align-self:stretch;align-items:center;gap:4px;flex:1;justify-content:center;white-space:nowrap}.main-nav a{height:100%;display:flex;align-items:center;padding:0 10px;color:#AEB4C0;border-bottom:2px solid transparent;min-height:40px}.main-nav a:hover,.main-nav a.active{color:#F7F8FA;border-color:#F45132}.register-btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 21px;border-radius:999px;background:#F45132;color:white;font-weight:800}.register-btn:hover{background:#FF684E}.mobile-bar{display:none}.channel-strip{background:#12151c;border-top:1px solid rgba(255,255,255,.05)}.channel-links{display:flex;gap:24px;height:42px;align-items:center;font-size:14px;color:#AEB4C0}.channel-links a:hover{color:#F7F8FA}.site-main{min-height:65vh}.page-hero{padding:64px 0 34px;background:linear-gradient(180deg,#171b24 0,#111318 100%)}.eyebrow{color:#D7A84B;font-size:13px;letter-spacing:.12em;text-transform:uppercase}.page-hero h1{margin:8px 0 14px;color:#F7F8FA;font-size:clamp(30px,4.2vw,42px);line-height:1.2}.lead{max-width:820px;color:#C7CBD3;font-size:18px}.section{padding:42px 0}.section.compact{padding:28px 0}.section-title{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}.section-title h2{margin:0;color:#F7F8FA;font-size:26px;line-height:1.25}.section-title p{margin:0;color:#AEB4C0}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.card{background:#1A1E27;border:1px solid rgba(255,255,255,.09);border-radius:14px;padding:22px}.card h2,.card h3{color:#F7F8FA;margin-top:0}.card p:last-child{margin-bottom:0}.card-link{display:inline-flex;margin-top:8px;color:#F7F8FA;border-bottom:1px solid #F45132}.accent-line{border-left:3px solid #F45132;padding-left:16px}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:10px;background:#12151c;aspect-ratio:16/9}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}.media-4x5{aspect-ratio:4/5}.placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#171b24,#222733)}.feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:28px;align-items:center}.feature.reverse{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr)}.feature.reverse .feature-media{order:2}.bullet-list{display:grid;gap:12px;padding:0;margin:0;list-style:none}.bullet-list li{background:#1A1E27;border:1px solid rgba(255,255,255,.09);padding:14px 16px;border-radius:10px}.bullet-list li::before{content:"";width:7px;height:7px;background:#D7A84B;border-radius:50%;display:inline-block;margin-right:10px;vertical-align:middle}.info-table{display:grid;gap:10px}.info-row{display:grid;grid-template-columns:160px 1fr;gap:18px;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.09)}.info-row strong{color:#F7F8FA}.hero-carousel{position:relative}.hero-slide{display:none}.hero-slide.active{display:block}.hero-carousel .media{height:260px;aspect-ratio:auto}.hero-controls{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:12px}.hero-prev,.hero-next,.hero-dot{border:1px solid rgba(255,255,255,.15);background:#1A1E27;color:#F7F8FA;min-width:40px;min-height:40px;border-radius:999px;cursor:pointer}.hero-dot{width:10px;min-width:10px;height:10px;min-height:10px;padding:0}.hero-dot.active{background:#F45132;border-color:#F45132}.quote{padding:20px;border-left:3px solid #D7A84B;background:#171b24;border-radius:0 10px 10px 0}.site-footer{margin-top:30px;background:#0D0F13;border-top:1px solid rgba(255,255,255,.09);padding:42px 0 88px}.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.footer-grid h3{color:#F7F8FA;margin-top:0}.footer-grid a{display:block;color:#AEB4C0;margin:7px 0}.footer-grid a:hover{color:#F7F8FA}.footer-note{margin-top:30px;padding-top:22px;border-top:1px solid rgba(255,255,255,.09);color:#8F96A3;font-size:14px}.mobile-bottom{display:none}.mobile-drawer,.drawer-mask{display:none}.back-top{position:fixed;right:18px;bottom:88px;width:44px;height:44px;border:1px solid rgba(255,255,255,.12);border-radius:50%;background:#222733;color:#F7F8FA;opacity:0;pointer-events:none;transition:.2s;z-index:900}.back-top.show{opacity:1;pointer-events:auto}.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.tag{padding:5px 10px;border:1px solid rgba(255,255,255,.1);border-radius:999px;color:#AEB4C0;font-size:13px}.article-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.article-card{background:#1A1E27;border:1px solid rgba(255,255,255,.09);padding:20px;border-radius:12px}.article-card h3{margin:0 0 8px;color:#F7F8FA}.question{border-bottom:1px solid rgba(255,255,255,.09);padding:18px 0}.question h3{margin:0 0 7px;color:#F7F8FA}.drawer-mask{pointer-events:none}
@media(max-width:980px){.desktop-bar{display:none}.mobile-bar{height:62px;display:grid;grid-template-columns:76px minmax(0,1fr) 76px;align-items:center;padding:0 12px;gap:6px}.menu-btn{justify-self:start;width:42px;height:42px;border:1px solid rgba(255,255,255,.12);border-radius:10px;background:#1A1E27;color:#F7F8FA}.mobile-brand{justify-self:center;font-size:15px;min-width:0}.mobile-brand img,.mobile-brand .logo-placeholder{width:30px;height:30px}.mobile-register{justify-self:end;padding:0 14px;min-width:62px}.channel-strip{display:none}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#151820;color:#F7F8FA;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;padding:18px;overflow-y:auto}.mobile-drawer.is-open{transform:translateX(0)}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:11000;opacity:0;pointer-events:none}.drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.09)}.drawer-close{width:42px;height:42px;border:1px solid rgba(255,255,255,.12);border-radius:10px;background:#222733;color:#F7F8FA}.drawer-group{padding:18px 0;border-bottom:1px solid rgba(255,255,255,.09)}.drawer-group strong{display:block;color:#AEB4C0;font-size:13px;margin-bottom:7px}.drawer-group a{display:flex;align-items:center;min-height:44px}.drawer-open{overflow:hidden}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr}.grid-2,.feature,.feature.reverse{grid-template-columns:1fr}.feature.reverse .feature-media{order:0}.footer-grid{grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;height:62px;background:#151820;border-top:1px solid rgba(255,255,255,.09);display:grid;grid-template-columns:repeat(4,1fr);z-index:1000}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:40px;color:#D5D8DF}.mobile-bottom .accent{color:#F45132;font-weight:800}.site-main{padding-bottom:62px}.site-footer{padding-bottom:92px}.article-grid{grid-template-columns:1fr}.page-hero{padding:42px 0 24px}.hero-carousel .media{height:180px}.info-row{grid-template-columns:1fr;gap:4px}}
@media(max-width:560px){.shell{width:min(100% - 24px,1200px)}.grid-4,.footer-grid{grid-template-columns:1fr}.card{padding:18px}.section{padding:32px 0}.section-title{align-items:start;flex-direction:column}.page-hero h1{font-size:30px}.lead{font-size:16px}.hero-carousel .media{height:160px}}